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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | 1x 1x 8x 8x 2x 6x 3x 3x 3x | /**
* Resolution of the in-app preview base URL (Hugo preview server, port 13131).
*
* Works in both Electron and standalone runtime modes. See change:
* fix-server-mode-preview-url.
*/
/** Fixed port the Hugo preview server binds to (`hugo server --bind 0.0.0.0 --port 13131`). */
export const PREVIEW_PORT = 13131;
/** Default preview base URL for Electron desktop, where Hugo runs on the same host as the browser. */
export const ELECTRON_PREVIEW_BASE_URL = `http://localhost:${PREVIEW_PORT}`;
export interface ResolvePreviewBaseUrlOptions {
/** Value of the `preview.baseUrl` instance setting (empty/undefined when unset). */
setting?: string | null;
/** True when running in standalone/server mode (from `useEnvironment().isStandalone`). */
isStandalone: boolean;
/** Browser protocol, e.g. `window.location.protocol` ("http:" / "https:"). */
protocol?: string;
/** Browser hostname, e.g. `window.location.hostname` (no port). */
hostname?: string;
}
/**
* Resolve the preview base URL according to runtime mode.
*
* Precedence:
* 1. Explicit override: a non-empty `setting` is used verbatim (escape hatch for proxied/TLS setups).
* 2. Standalone: derive from the browser location — `<protocol>//<hostname>:13131`.
* The app's own port is intentionally dropped; the fixed preview port is appended.
* 3. Electron fallback: `http://localhost:13131`.
*
* Returned URL has no trailing slash; callers append a path.
*/
export function resolvePreviewBaseUrl({
setting,
isStandalone,
protocol,
hostname,
}: ResolvePreviewBaseUrlOptions): string {
const explicit = typeof setting === 'string' ? setting.trim() : '';
if (explicit) {
return explicit;
}
if (isStandalone && hostname) {
const proto = protocol === 'https:' ? 'https:' : 'http:';
return `${proto}//${hostname}:${PREVIEW_PORT}`;
}
return ELECTRON_PREVIEW_BASE_URL;
}
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